[RE-wrenches] 4 ways to keep a battery for a long time

[Starlight Solar Power Systems]

On Dec 17, 2015, at 11:55 AM, Ray Walters <ray at solarray.com> wrote:

...but as far as I can tell, every other storage chemistry has similar characteristics: lower capacity at low temps, a high temp limit, non-linear cycle life depending on DOD,  Puekert's exponent relating capacity vs charge/ discharge rates, volt drop under hard discharge, etc.

R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760


Exception: LFP batteries are not affected by Peukerts Law. Discharging at 3C or .3C has little effect. Also, high temperature degradation rate quite a bit lower than that of lead batteries.

Larry Crutcher